head to head · open source
Bruno vs emissary
Bruno has 47,992 GitHub stars, 3,068 forks, 1,831 open issues and last shipped yesterday. emissary has 4,524 stars, 712 forks, 442 open issues and last shipped yesterday. Bruno leads on adoption by 961% (47,992 vs 4,524 stars). Bruno is written in JavaScript under MIT; emissary is written in Python under Apache-2.0. Bruno has attracted 6% as many forks as stars, emissary 16%. Bruno was the more recently maintained of the two, and both are self-hostable with no licence fee.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| Bruno | emissary | |
|---|---|---|
| GitHub stars | ★ 48K | ★ 4.5K |
| License | MIT | Apache-2.0 |
| Written in | JavaScript | Python |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 3.1K | ⑂ 712 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Bruno if
- You weight community size — 48K stars and counting
- You want the MIT license terms
- Your stack matches JavaScript
- You value the larger contributor base for long-term maintenance
pick emissary if
- You want the emissary feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Python
- You evaluated both and emissary fits your workflow better
About Bruno
Bruno Opensource IDE for exploring and testing APIs. English Українська Русский Türkçe Deutsch Français Português (BR) 한국어 বাংলা Español Italiano Română Polski 简体中文 正體中文 العربية 日本語 ქართული Nederlands فارسی Bruno is a new and innovative API client, aimed at revolutionizing the status quo represented by Postman and similar tools out there. Bruno stores your collections directly in a folder on your filesystem. We use a plain text markup language, Bru, to save information about API requests. You can use Git or any version control of your choice to collaborate over your API collections. Bruno is offline only. There…
read the full Bruno overview →
About emissary
Emissary ingress ================ [![Version][badge version img]][badge version link] [![Image Size][badge ghcr size]][badge ghcr link] [![Image Pulls][badge ghcr pulls]][badge ghcr link] [![Join Slack][badge slack img]][badge slack link] [![Core Infrastructure Initiative: Best Practices][badge cii img]][badge cii link] [badge version img]: [badge version link]: [badge ghcr size]: [badge ghcr pulls]: [badge ghcr link]: [badge slack img]: [badge slack link]: [badge cii img]: [badge cii link]: Emissary Ingress is an open source Kubernetes native API Gateway + Layer 7 load balancer + Kubernetes Ingress built on…
read the full emissary overview →
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Frequently asked questions
Is Bruno or emissary more popular?
Bruno has 47,992 GitHub stars and emissary has 4,524. Bruno has the larger community by that measure.
Are Bruno and emissary free?
Both are open source. Bruno is licensed under MIT and emissary under Apache-2.0. Neither carries a licence fee.
What is the difference between Bruno and emissary?
Bruno is written in JavaScript and emissary in Python. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Bruno or emissary?
Choose Bruno if you want the larger community (47,992 stars) or its MIT licence terms. Choose emissary if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.